Sasser has been with Gresham Police Department since August 2008. Carlson began his law enforcement career with the Oregon City Police Department more than four and a half years ago. He has lived in Gresham since August 2015.

Neighbors around the 800 block of Southeast 190th Avenue alerted police about 3 a.m. Tuesday, May 24, about the domestic violence incident. They were worried about a woman screaming for help and being forced into a vehicle against her will, the announcement said.

Callers told police they were watching a man, later identified as Phelps, push a 25-year-old woman into a silver four-door sedan. Phelps allegedly drove away with the woman before police arrived, Gresham Police said.

About six minutes later, other witnesses began calling and said they saw a woman screaming and banging from the inside of the car stopped on the side of the road near the 18900 block of Southeast Grant Street, about 14 blocks south of the location of the original calls.

The woman inside the vehicle called 911, reporting she had been assaulted by Phelps who was then outside the car.

Officers raced to the scene, arriving within about two minutes. Phelps, who is described as approximately 6-feet-2 and 195 pounds, allegedly ran from the officers and ignored their orders to stop, the police announcement said.

The two Gresham officers chased and confronted Phelps who then allegedly brandished two knives. Witnesses interviewed by police reported hearing numerous commands to "drop the knife" followed by gunshots.

Phelps died on scene. Tuesday afternoon, the state's medical examiner confirmed Phelps died as a result of gunfire.

No officers were injured and the condition of the female has not been released.

At the time of his death, Phelps was wanted for three Multnomah County warrants: violation of probation for identity theft, violation of probation for possession of heroin, and a nationwide felony warrant for possession of heroin, the police announcement said.

The investigation is ongoing and will include a grand jury hearing. The names of the other people involved will be released at a later date.

Detectives assigned to Multnomah County's Major Crimes Team want to talk with any witnesses who have not already come forward. They can be reached by calling the police tip line at 503-618-2719.